Question

Coloured bands on a 2.2 kOhm resistor with a 5% tolerance rate: a) Red, Red, Red, Gold

b) Red, Red, Black, Gold
c) Red, Red, Red, Silver
d) Red, Red, Black, Silver

Answer 1

Option (b) Red, Red, Black, Gold represents the correct colored bands for a 2.2 kOhm resistor with a 5% tolerance, where red (2), red (2), black (multiplier of 100), and gold (5% tolerance) match the given specifications.

Step-by-step explanation:

The question is asking to identify the coloring code on a 2.2 kOhm resistor with a 5% tolerance rate. Resistor color codes use a set of colors to denote the first two significant digits, the decimal multiplier, and the tolerance. In the given options, option (b) Red, Red, Black, Gold is the correct one for a 2.2 kOhm resistor with a 5% tolerance.

Here, red represents '2', black '0', the third red band serves as a multiplier by 102, and gold denotes the 5% tolerance. Therefore, the value would be 22 times 102 ohms, which equals 2.2 kOhms with a 5% tolerance rate.